diff --git a/.config/fish/config.fish b/.config/fish/config.fish
index 3b4a1e6..0d934e4 100644
--- a/.config/fish/config.fish
+++ b/.config/fish/config.fish
@@ -8,14 +8,13 @@ set -gx PATH $PATH $GOBIN \
     $HOME/Documents/scripts \
     $HOME/Documents/flutter/bin \
     $HOME/.cargo/bin \
-    $HOME/.rbenv/versions/2.7.0/bin \
     $HOME/.dotnet/tools
 
 set -g fish_escape_delay_ms 10
 
 kitty + complete setup fish | source
 
-status --is-interactive; and source (rbenv init -|psub)
+source (brew --prefix asdf)/asdf.fish
 
 # The next line updates PATH for the Google Cloud SDK.
 # if test -f '/Users/m/Documents/google-cloud-sdk/path.fish.inc'; source '/Users/m/Documents/google-cloud-sdk/path.fish.inc'; end
diff --git a/.config/fish/functions/fish_prompt.fish b/.config/fish/functions/fish_prompt.fish
index 1178aa8..0b00e66 100644
--- a/.config/fish/functions/fish_prompt.fish
+++ b/.config/fish/functions/fish_prompt.fish
@@ -96,13 +96,13 @@ function fish_prompt --description 'Write out the prompt'
     end
 
     # Set go version, by existence of go mod or dep files
-    if test -e ./go.mod; or test -e ./Gopkg.toml
+    if test -e ./go.mod; or test -e ./Gopkg.toml; and which go > /dev/null
         set -l version_str (string match -r 'go\d+\.\d+\.?\d*' (go version))
         set go_version ' with ' (set_color 8eadaf) $version_str (set_color normal)
     end
 
     # Set docker version, by existence of Dockerfile
-    if test -e ./Dockerfile
+    if test -e ./Dockerfile; and which docker > /dev/null
         set -l version_str (string match -r '\d+\.\d+\.?\d*' (docker --version))
         set docker_version ' on ' (set_color blue) 'docker' $version_str (set_color normal)
     end
@@ -113,24 +113,24 @@ function fish_prompt --description 'Write out the prompt'
     end
 
     # Set node (and ts) version, based on existance of package.json (and tsconfig.json)
-    if test -e ./package.json
+    if test -e ./package.json; and which node > /dev/null
         set -l version_str (string sub -s 2 (node -v))
         set node_version ' with ' (set_color brgreen) 'node' $version_str (set_color normal)
 
-        if test -e ./tsconfig.json
+        if test -e ./tsconfig.json; and which tsc > /dev/null
           set -l version_str (string match -r '\d+\.\d+\.?\d*' (tsc -v))
           set node_version $node_version ' and ' (set_color cyan) 'ts' $version_str (set_color normal)
         end
     end
 
     # Set elixir version, based on existance of mix.exs
-    if test -e ./mix.exs
+    if test -e ./mix.exs; and which elixir > /dev/null
         set -l version_str (string sub -s 8 (string match -r 'Elixir \d+\.\d+\.?\d*' (elixir -v)))
         set ex_version ' with ' (set_color magenta) 'ex' $version_str (set_color normal)
     end
 
     # Set dart version, based on existances of pubspec.yaml
-    if test -e ./pubspec.yaml
+    if test -e ./pubspec.yaml; and which dart > /dev/null
         set -l version_str (string match -r '\d+\.\d+\.?\d*' (dart --version 2>| cat))
         set dart_version ' with ' (set_color brblue) 'dart' $version_str (set_color normal)
     end
diff --git a/.config/kitty/kitty.conf b/.config/kitty/kitty.conf
index 4ee4bf1..87e1d27 100644
--- a/.config/kitty/kitty.conf
+++ b/.config/kitty/kitty.conf
@@ -6,10 +6,10 @@
 #: individual font faces and even specify special fonts for particular
 #: characters.
 
-font_family        Ligalex Mono
-bold_font          Ligalex Mono Bold
-italic_font        Ligalex Mono Italic
-bold_italic_font   Ligalex Mono Bold Italic
+font_family        JetBrains Mono
+bold_font          JetBrains Mono Bold
+italic_font        JetBrains Mono Italic
+bold_italic_font   JetBrains Mono Bold Italic
 
 #: You can specify different fonts for the bold/italic/bold-italic
 #: variants. To get a full list of supported fonts use the `kitty
@@ -23,7 +23,7 @@ bold_italic_font   Ligalex Mono Bold Italic
 #:     italic_font      Operator Mono Book Italic
 #:     bold_italic_font Operator Mono Medium Italic
 
-font_size 12.0
+font_size 13.0
 
 #: Font size (in pts)